A046899 as tables, graphs or sounds

A046899 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`1`
`4`		`3`
`5`		`6`
`6`		`1`
`7`		`4`
`8`		`10`
`9`		`20`
`10`		`1`
`11`		`5`
`12`		`15`
`13`		`35`
`14`		`70`
`15`		`1`
`16`		`6`
`17`		`21`
`18`		`56`
`19`		`126`
`20`		`252`
`21`		`1`
`22`		`7`
`23`		`28`
`24`		`84`
`25`		`210`
`26`		`462`
`27`		`924`
`28`		`1`
`29`		`8`
`30`		`36`
`31`		`120`
`32`		`330`
`33`		`792`
`34`		`1716`
`35`		`3432`
`36`		`1`
`37`		`9`
`38`		`45`
`39`		`165`
`40`		`495`
`41`		`1287`
`42`		`3003`
`43`		`6435`
`44`		`12870`
`45`		`1`
`46`		`10`
`47`		`55`
`48`		`220`
`49`		`715`
`50`		`2002`
`51`		`5005`
`52`		`11440`
`53`		`24310`
`54`		`48620`
`55`		`1`
`56`		`11`
`57`		`66`
`58`		`286`
`59`		`1001`

[1,1,2,1,3,6,1,4,10,20,1,5,15,35,70,1,6,21,56,126, 252,1,7,28,84,210,462,924,1,8,36,120,330,792,1716, 3432,1,9,45,165,495,1287,3003,6435,12870,1,10,55, 220,715,2002,5005,11440,24310,48620,1,11,66,286, 1001]

Last modified December 6 22:55 EST 2009. Contains 170429 sequences.

AT&T Labs Research